Stacktrace:
java.lang.NullPointerException
at
org.netbeans.modules.apisupport.installer.actions.BuildInstallersAction$ContextBuildInstaller.actionPerformed(BuildInstallersAction.java:145)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.AbstractButton.doClick(AbstractButton.java:376)